Parafilm® M PM999 Laboratory Sealing Film Roll, 4” Film Width, 250 ft. Long, 1/Pk

• Stretches more than 200% of original length
• Resistant up to 48 hours against many polar substances such as saline solutions, inorganic acids and alkaline solutions
• Prevents moisture and volume loss due to material composition and tight seal

Protect the integrity of research applications with a tight moisture-barrier that holds a strong seal and doesn’t release from glassware, despite off-gassing. Moisture-proof film molds to surface. Parafilm® M is a semi-transparent, flexible, thermoplastic film with two-way stretch. Non-toxic and free from plasticizers, primarily composed of polyolefins and paraffin waxes offering good resistance against acids, alkalis and some organic solvents—use not recommended with acetone, diethyl ether or tetrachloride. Reduce the risk of tampered data with a covering that is odorless, colorless and semi-transparent.

Not recommended for use with chlorinated, non-polar aliphatic and aromatic solvents

Parafilm® is a registered trademark of Bemis Company, Inc.

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